Haru Fish - Reef Tank Coral

Contains adsIn-app purchases
Content rating
Everyone
50+
Downloads
Content rating
Everyone
In-Game Purchases
Learn more
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About this game

๐ŸŒŠ Build your own little sea โ€” your personal reef tank ๐ŸŒŠ
"Haru Fish" is a reef tank simulation game where you lovingly raise corals and fish in your very own aquarium.
Place a variety of corals, fill your tank with fish, and build your own reef that grows a little more every day.
๐Ÿชธ Rich Content

70+ coral species โ€” collect Acropora and corals of every color and shape, with a genetics system that transforms them based on their environment
50+ fish species โ€” from the tiny clownfish to legendary species swimming through your tank
80+ rocks (live rock) + 100+ decorations โ€” place them freely to design your perfect aquarium
6 aquarium tiers โ€” from a small starter tank to a sprawling reef tank

๐ŸŽฎ Core Gameplay

Collect new corals and fish every 6 hours
Expert mode only โ€” manage water quality with equipment (skimmer, reactor, lighting and more, 8 types) โ€” real reef keeping, right in your pocket
Expert mode only โ€” automatic nutrient supply with the dosing system
Earn rewards through achievements and daily missions

โœจ A New Tank Every Day

Corals grow even offline โ€” worth checking in every day to see what's changed
Tank alerts โ€” changes in water quality are sent to you instantly via notification
Calm background music and soft sound effects โ€” your relaxing reef watching moment before sleep

๐ŸŒฑ Enjoy at Your Own Pace

All content playable for free
Earn rewards by watching ads (optional)
In-app purchases only save time (not required)

Whether you're new to reef keeping or a seasoned reefer who runs a real reef tank at home โ€” Haru Fish is for you.
Create your own little sea.
Which coral has grown today?

Contact: zhffldxjs200@naver.com
Privacy Policy: https://harumail402.github.io/HaruFish-legal/privacy.html
A reef tank simulation to build your own aquarium.
Updated on
Jun 27, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Device or other IDs
  • This app may collect these data types
    Personal info, Financial info and 2 others
  • Data is encrypted in transit
  • You can request that data be deleted

Whatโ€™s new

ato bug fix
Content rating
Everyone
In-Game Purchases
Learn more

App support

About the developer
๋ฐ•์ง€๋‚˜
zhffldxjs200@naver.com
๋ถ€์›๋กœ87๋ฒˆ๊ธธ 19 103๋™ 2302ํ˜ธ ์˜ค์‚ฐ์‹œ, ๊ฒฝ๊ธฐ๋„ 18149 South Korea